The Trenton Crinoid
Subtitle: Ottawacrinus W.R. Billings
By: by F.A. Bather
Series: Canada. Geological Survey. Victoria Memorial Museum. Bulletin no. 1, [pt.] 1. [Geological series, no. 1]; Bulletin (National Museum of Canada) -- no. 1, pt. 1.; Bulletin (National Museum of Canada) -- no. 1.
Publisher: [Govt. Print. Bureau]
Published: 1913
Place of publication: Ottawa]
Language: eng
Number of pages: 10
Subjects: Ottawacrinus
Notes: Caption title.